#include <cstdio>
#include <ctime>
#include <cstdlib>
using namespace std;

unsigned long long n;

int	main()
{
	freopen("init.in", "r", stdin);
	scanf("%lld", &n);
	printf("当前数据量为:%d次。\n", n);
	clock_t x, y;
	x = clock();

	for (unsigned long long i = 1; i <= n; i++)
		i = i;

	y = clock();
	printf("时间为%d毫秒。\n", y - x);
	//system("pause");
}
